Home / 258,765.03-357,034.68-217,528.83

Finding the Fourth Proportional to 258,765.03, 357,034.68 and 217,528.83

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Solution

The fourth proportional to 258,765.03, 357,034.68 and 217,528.83 is: 300,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,765.03 : 357,034.68 = 217,528.83 : x
  2. Step 2: Convert to fraction form
    258,765.03/357,034.68 = 217,528.83/x
  3. Step 3: Cross multiply
    258,765.03x = 357,034.68 × 217,528.83
  4. Step 4: Simplify right side
    258,765.03x = 77,665,336,209.82
  5. Step 5: Solve for x
    x = 77,665,336,209.82/258,765.03
  6. Step 6: Final answer
    x = 300,138.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.